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      材質(zhì)345B無(wú)縫鋼管價(jià)格 ：

        材質(zhì)              規(guī)格              標(biāo)準(zhǔn)            產(chǎn)地              庫(kù)存             價(jià)格

       Q345B            108x5          GB-8163         成都             135/T           5980/T

       Q345B            127X6          GB-8163         江蘇             95/T            6020/T

       Q345B無(wú)縫鋼管化學(xué)成份 ：

　　

牌號(hào)	C	Si	Mn	P	S	V	Nb	Al	Ti
Q345A	0.20	≤0.55	≤1.70	≤0.045	≤0.045	0.02-0.15	0.015-0.060	-	0.02-0.20
Q345B	≤0.20	≤0.55	≤1.70	≤0.040	0.040	0.02-0.15	0.015-0.060	-	0.02-0.20
Q345C	≤0.20	≤0.55	≤1.70	≤0.035	≤0.035	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20
Q345D	0.18	≤0.55	≤1.80	≤0.030	≤0.030	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20
Q345E	≤0.18	≤0.55	≤1.80	≤0.025	≤0.025	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20